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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Showing 1-5 of 18 Abstracts search results
Document:
SP162-11
Date:
August 1, 1996
Author(s):
I. Holand and R. Lenschow
Publication:
Symposium Papers
Volume:
162
Abstract:
The development of concrete offshore structures is illustrated by briefly describing the background for their functions, the development of structural design, brief examples of concrete research and research results, industry research projects, and international standardization. Figures and main specifications of typical structures are shown.
DOI:
10.14359/1587
SP162
Editors: James K. Wight and Michael E. Kreger
SP-162 This fact filled symposium, developed in honor of Mete A Sozen, contains 17 highly informative papers. A spectacular addition to all reference shelves. This symposium took place at the ACI Fall convention in Tarpon Springs, Florida in October of 1994. The Sozen Symposium consisted of three sessions with eighteen speakers. The symposium and this SP volume were organized to permit Mete's students and colleagues to honor and thank him for his council and guidance during their studies at the University of Illinois.
10.14359/14202
SP162-05
M. S. Saiidi, N. Wehbe, S. Acharya, and D. Sanders
Presents a review of (1) previous experimental studies on the earthquake response of square reinforced concrete columns and a discussion of their applicability to bridge columns in areas of moderate and high seismic risk; (2) confinement steel design for rectangular columns based on different codes and methods and an example column to compare these codes; and (3) two concrete confinement models in relationship to their application in estimating a range of displacement ductility for square columns, rectangular columns, and pier walls. The results of part (1) showed that previous tests on square columns are mostly under relatively large axial stresses which represent the state of building columns and that the data are generally aimed at areas of high seismic risk. Part (2) showed a considerable variation among different codes and methods in terms of the amount of lateral reinforcement and the parameters considered in design. The results of part (3) indicated that measured displacement ductilities were generally within a range calculated using the two confinement models selected in this study.
10.14359/1425
SP162-06
J. F. Bonacci and J. K. Wight
Members of earthquake-resisting reinforced concrete frames--such as beams, columns, joints, and anchorages--are designed on the basis of force demands. Detailing requirements are established from collected experimental observations of measures which are most effective in maximizing overall cyclic toughness of frame assemblies. In this paper, a displacement-based approach to evaluating detailing requirements for frame elements is presented. Expressions are derived for the participation of beams, columns, joints, and anchorages in overall story drift. Simple element models are presented for beam-column joints and anchorages; guidelines for conventional sectional analysis of beams and columns are given. With an assessment of the local demand in each element type and mechanical models of element behavior, it is demonstrated that member variables normally considered as part of detailing can be accounted for in a quantitative supply vs. demand fashion. A case study is made for an example in the ACI Committee 352 Recommendations to illustrate how a displacement-based frame evaluation is carried out and to provide a reference point for comparison with an existing design approach for beam-column joints.
10.14359/1426
SP162-12
A. E. Schultz and R. A. Magana
An experimental program is summarized which is aimed at enhancing the knowledge base regarding seismic behavior, analysis, and design of precast concrete shearwalls. The "emulation design" and "jointed construction" philosophies are described and an idealization of the behavior of precast shearwalls presented. A compendium of connection details for precast concrete shearwalls, seven for vertical joints and four for horizontal joints, is selected for further study; the selection process is described. The connection details are proportioned for a prototype shearwall that is designed as part of a six-story precast concrete office building. A description of all connection details and test procedure is given. Highlights from the cyclic load tests of the vertical joint specimens are documented, including connection resistance, displacement response, initial stiffness, and energy dissipation capacity.
10.14359/1427
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